CVE-2017-13684 — Unisys Libra 64xx and 84xx and FS601 class systems with MCP-FIRMWARE before 43.211 allow remote authenticated users to cause a denial of service (program crash) or have unspecified other impact via vectors related to incorrect literal handling, which trigger CPM stack corruption

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HIGH

Unisys Libra 64xx and 84xx and FS601 class systems with MCP-FIRMWARE before 43.211 allow remote authenticated users to cause a denial of service (program crash) or have unspecified other impact via vectors related to incorrect literal handling, which trigger CPM stack corruption

Published Sep 29, 2017

7.8

HIGH

CVSS 3.0

EPSS 0.41%

Description

Unisys Libra 64xx and 84xx and FS601 class systems with MCP-FIRMWARE before 43.211 allow remote authenticated users to cause a denial of service (program crash) or have unspecified other impact via vectors related to incorrect literal handling, which trigger CPM stack corruption.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.41% 0.00412

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00412

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (12 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.41% (0.00412)	33.08th	v5 (v2026.06.15)
Sep 20, 2026	0.41% (0.00412)	35.18th	v5 (v2026.06.15)
Jul 20, 2024	0.21% (0.00211)	59.49th	v3 (v2023.03.01)
Feb 14, 2024	0.21% (0.00211)	58.09th	v3 (v2023.03.01)
Oct 15, 2023	0.17% (0.00171)	53.89th	v3 (v2023.03.01)
Sep 9, 2023	0.14% (0.00142)	49.41th	v3 (v2023.03.01)
Sep 3, 2023	0.12% (0.00120)	45.50th	v3 (v2023.03.01)
Mar 7, 2023	0.10% (0.00100)	39.69th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)
Feb 3, 2022	0.65% (0.00651)	18.22th	v5 (v2026.06.15)
Apr 14, 2021	0.65% (0.00651)	0.00th	v1

Weaknesses (1)

CWE-119

Buffer Overflow

References (1)

https://public.support.unisys.com/common/public/vulnerability/NVD_Detail_Rpt.aspx?ID=44
x_refsource_CONFIRMVendor Advisory

Link	Providers	Tags
https://public.support.unisys.com/common/public/vulnerability/NVD_Detail_Rpt.aspx?ID=44		x_refsource_CONFIRMVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Sep 29, 2017

Updated Aug 5, 2024

Reserved Aug 24, 2017

Link CVE-2017-13684

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2017-13684

Red Hat

Severity n/a

Public date n/a

Links CVE-2017-13684